A bulletin board is an online discussion site. It's sometimes also called a 'board' or 'forums'. It may contain several categories, consisting of forums, threads and individual posts.
In most nightclub environments, dark wool, cotton or synthetic slacks mate well with a button up shirt. Gentlemen in nightclubs should use caution to distinguish between button-up shirts appropriate for nightclub wear and the dressier, somewhat stodgier button-up shirts intended for professional office wear.
Fitted dress shirts are in order for cool cocktail attire, and are classic and safe in whites or powder blues. That being said, a modern or brighter patterned button down shirts can give a new edge to cocktail attire, provided they are not too over the top.